Have you seen Calabi - Yau?
This squiggle in a cube clearly demonstrates that, according to string theory, space is not four-dimensional, as you all thought, but 10-dimensional! I think that without problems you can find the remaining 6 dimensions in this contraption :)
Honestly, the physicist is not so hot with me, and I can’t explain on my fingers what Calabi and dear Yau agreed on. Therefore, for the curious there is an article on Wikipedia.
And yes, of course it sells for $ 72. Scratch-resistant glass, and with each facet dimensions of 80 mm. Do not know why you need this? Present the girl for the New Year. If you do not have time to learn the theory, say that it is a snowflake.